2z^2-14z+20=0

Simple and best practice solution for 2z^2-14z+20=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2z^2-14z+20=0 equation:


Simplifying
2z2 + -14z + 20 = 0

Reorder the terms:
20 + -14z + 2z2 = 0

Solving
20 + -14z + 2z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '2'.
2(10 + -7z + z2) = 0

Factor a trinomial.
2((2 + -1z)(5 + -1z)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2

Subproblem 2

Set the factor '(5 + -1z)' equal to zero and attempt to solve: Simplifying 5 + -1z = 0 Solving 5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1z = 0 + -5 -1z = 0 + -5 Combine like terms: 0 + -5 = -5 -1z = -5 Divide each side by '-1'. z = 5 Simplifying z = 5

Solution

z = {2, 5}

See similar equations:

| -4p-5=59 | | 4x^2-41x+98=0 | | X(2x-1)=28 | | m-3/2=37 | | 0.75w-0.50w-4=-12 | | 150=-48a-6 | | x^4-10000=0 | | 0.75w-0.50w-4=12 | | -4.9-2.4m=6.5 | | 12+x=3x+4 | | u-18=-4 | | 8-2k=-4 | | 6u+5=8u+11 | | 3x+5-2x=3x+4 | | S=3g+3u | | 124=4-20x | | -17=-32-5f | | 19+x=31 | | 3(y+5)=4(y-6) | | b+3=b^2 | | -5|x+3|+3=-17 | | -12=6+2y | | -194=30+36m-8 | | 21-7m= | | 0.8a-6=-0.6+22 | | v^2-18v-86=2 | | x+7x=0 | | -7=-6c+12 | | -|2x-8|-6=-12 | | 4m-5=2(2m-3)+1 | | a-4=106 | | -34=v |

Equations solver categories